Fast mode decision for Hierarchical-B pictures in scalable video coding
YANG Da-wei1, ZHAO Dan-feng1, HOU Bao-chun2
1.College of Information and Communication Engineering,Harbin Engineering University,Harbin 150001,China;2.School of Electronic,Communication and Electrical Engineering,University of Hertfordshire,Hatfield AL10 9AB,United Kingdom
Abstract:
To decrease the computational complexity of adaptive inter-layer prediction and improve the encoding efficiency in scalable video coding,a mode decision algorithm is proposed by exploiting the part of used candidate modes of the co-located reference macroblocks for Hierarchical-B pictures.This scheme reduces the amount of the candidate modes to generate a dynamic list for the current encoding macroblock according to the statistical information derived from the co-located reference macroblocks in different temporal levels.The experimental results show that this fast algorithm reduces approximately 31% encoding time on average with the negligible loss of encoding performance.
Key words: scalable video coding Hierarchical-B pictures fast mode decision
DOI：10.11916/j.issn.1005-9113.2011.04.006
Clc Number:TN919.81
Fund:
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Fast mode decision for Hierarchical-B pictures in scalable video coding
本站小编 哈尔滨工业大学/2019-10-23
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